fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mFm] [11.1% done] [  9708/ 15501 kb/s] [eta 00m:24s]
Threads: 3: [mFm] [15.4% done] [  9349/     0 kb/s] [eta 00m:22s]
Threads: 3: [mFF] [17.9% done] [  5639/ 32866 kb/s] [eta 00m:23s]
Threads: 3: [mFF] [18.2% done] [   555/     0 kb/s] [eta 00m:27s]
Threads: 3: [FFF] [100.0% done] [   610/ 73188 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [66.7% done] [  2296/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 23288/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 24981/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.6% done] [ 28912/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.9% done] [ 26722/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 33425/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31818/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29878/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30519/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12291
  read : io=100MiB, bw=4,125KiB/s, runt= 25414msec
    slat (msec): min=   68, max=18354, avg=12228.93, stdev=5509.80
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=14790, per=55.73%, avg=6829.75, stdev=4129.60
  write: io=74,332KiB, bw=4,698KiB/s, runt= 16200msec
    slat (msec): min=    0, max=    8, avg= 1.45, stdev= 1.51
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=117197, per=356.27%, avg=58598.50, stdev=82870.79
  cpu          : usr=4.42%, sys=1.26%, ctx=1052
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12292
  read : io=100MiB, bw=4,130KiB/s, runt= 25386msec
    slat (msec): min=  252, max=23295, avg=18954.37, stdev=3842.96
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=18688, per=79.76%, avg=9775.06, stdev=6043.47
  write: io=98,640KiB, bw=6,233KiB/s, runt= 16204msec
    slat (msec): min=    0, max=   18, avg= 1.98, stdev= 2.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=107861, per=327.88%, avg=53930.50, stdev=76269.24
  cpu          : usr=4.68%, sys=1.62%, ctx=797
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12293
  read : io=100MiB, bw=4,085KiB/s, runt= 25667msec
    slat (msec): min=   36, max=20605, avg=14893.96, stdev=5841.30
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=18712, per=57.65%, avg=7064.67, stdev=5070.79
  write: io=87,308KiB, bw=5,518KiB/s, runt= 16200msec
    slat (msec): min=    0, max=  335, avg= 3.50, stdev=24.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=103114, per=235.77%, avg=38779.25, stdev=49379.29
  cpu          : usr=4.46%, sys=1.56%, ctx=1019
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,255KiB/s, minb=4,085KiB/s, maxb=4,130KiB/s, mint=25386msec, maxt=25667msec
  WRITE: io=254MiB, aggrb=16,448KiB/s, minb=4,698KiB/s, maxb=6,233KiB/s, mint=25386msec, maxt=25667msec

Disk stats (read/write):
  sda: ios=3642/2370, merge=1526/62539, ticks=80804/1970908, in_queue=2054688, util=99.21%
3.50user 1.16system 0:25.93elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2423minor)pagefaults 0swaps